647330399

素因数分解:

${\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{16451}}^1$

素因数の和:16598

約数の個数: 12

約数和(自身を含む): 689503320

約数和(自身を除く): 42172921

約数列:

[1, 19, 109, 361, 2071, 16451, 39349, 312569, 1793159, 5938811, 34070021, 647330399]

約数ペア:

[(1, 647330399), (19, 34070021), (109, 5938811), (361, 1793159), (2071, 312569), (16451, 39349)]